By the way, W5500 Ethernet seems reliable - so it's not the SPI or HTTP library that's at fault.
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
By the way, W5500 Ethernet seems reliable - so it's not the SPI or HTTP library that's at fault.